#!/bin/sh ### BEGIN INIT INFO # Provides: dump1090-mutability # Required-Start: $remote_fs # Required-Stop: $remote_fs # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: dump1090 daemon (mutability variant) # Description: Receives ADS-B messages from a RTLSDR dongle # and makes them available to other applications via # a variety of network protocols. ### END INIT INFO # Do NOT "set -e" # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/sbin:/usr/sbin:/bin:/usr/bin DESC="dump1090-mutability daemon" NAME=dump1090-mutability DAEMON=/usr/bin/$NAME ARGS="" PIDFILE=/var/run/$NAME.pid SCRIPTNAME=/etc/init.d/$NAME # Exit if the package is not installed [ -x "$DAEMON" ] || exit 0 # Read configuration variable file if it is present [ -r /etc/default/$NAME ] && . /etc/default/$NAME # work out daemon args # sanitize missing settings [ -z "$START_DUMP1090" ] && START_DUMP1090=no [ -z "$DUMP1090_USER" ] && DUMP1090_USER="missing-DUMP1090_USER-setting-in-config" [ -z "$RAW_INPUT_PORT" ] && RAW_INPUT_PORT=0 [ -z "$RAW_OUTPUT_PORT" ] && RAW_OUTPUT_PORT=0 [ -z "$SBS_OUTPUT_PORT" ] && SBS_OUTPUT_PORT=0 [ -z "$BEAST_INPUT_PORT" ] && BEAST_INPUT_PORT=0 [ -z "$BEAST_OUTPUT_PORT" ] && BEAST_OUTPUT_PORT=0 [ -z "$NET_BUFFER" ] && NET_BUFFER=0 [ -z "$JSON_INTERVAL" ] && JSON_INTERVAL=0 [ -z "$MAX_RANGE" ] && MAX_RANGE=300 # receiver: NICELEVEL="--nicelevel -5" case "x$DEVICE" in x|x0) ARGS="$ARGS --net" ;; xnone) ARGS="$ARGS --net-only"; NICELEVEL="" ;; *) ARGS="$ARGS --net --device-index $DEVICE" ;; esac case "x$GAIN" in x|xmax) ;; xagc) ARGS="$ARGS --gain -10" ;; *) ARGS="$ARGS --gain $GAIN" ;; esac if [ -n "$PPM" ]; then ARGS="$ARGS --ppm $PPM"; fi # decoder: if [ "x$FIX_CRC" = "xyes" ]; then ARGS="$ARGS --fix"; fi if [ -n "$LAT" ]; then ARGS="$ARGS --lat $LAT"; fi if [ -n "$LON" ]; then ARGS="$ARGS --lon $LON"; fi ARGS="$ARGS --max-range $MAX_RANGE" # net: ARGS="$ARGS \ --net-ri-port $RAW_INPUT_PORT --net-ro-port $RAW_OUTPUT_PORT \ --net-bi-port $BEAST_INPUT_PORT --net-bo-port $BEAST_OUTPUT_PORT \ --net-sbs-port $SBS_OUTPUT_PORT" if [ -n "$NET_HEARTBEAT" ]; then ARGS="$ARGS --net-heartbeat $NET_HEARTBEAT"; fi if [ -n "$NET_OUTPUT_SIZE" ]; then ARGS="$ARGS --net-ro-size $NET_OUTPUT_SIZE"; fi if [ -n "$NET_OUTPUT_INTERVAL" ]; then ARGS="$ARGS --net-ro-interval $NET_OUTPUT_INTERVAL"; fi if [ "$NET_BUFFER" -le "65536" ]; then ARGS="$ARGS --net-buffer 0" elif [ "$NET_BUFFER" -le "131072" ]; then ARGS="$ARGS --net-buffer 1" elif [ "$NET_BUFFER" -le "262144" ]; then ARGS="$ARGS --net-buffer 2" else ARGS="$ARGS --net-buffer 3"; fi if [ -n "$NET_BIND_ADDRESS" ]; then ARGS="$ARGS --net-bind-address $NET_BIND_ADDRESS"; fi # misc: if [ -n "$STATS_INTERVAL" ]; then ARGS="$ARGS --stats-every $STATS_INTERVAL"; fi if [ -n "$JSON_DIR" ]; then ARGS="$ARGS --write-json $JSON_DIR"; fi if [ -n "$JSON_INTERVAL" ]; then ARGS="$ARGS --write-json-every $JSON_INTERVAL"; fi case "x$JSON_LOCATION_ACCURACY" in xexact) ARGS="$ARGS --json-location-accuracy 2" ;; xapproximate) ARGS="$ARGS --json-location-accuracy 1" ;; *) ARGS="$ARGS --json-location-accuracy 0" ;; esac if [ "x$LOG_DECODED_MESSAGES" != "xyes" ]; then ARGS="$ARGS --quiet"; fi if [ -n "$EXTRA_ARGS" ]; then ARGS="$ARGS $EXTRA_ARGS"; fi # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh # Define LSB log_* functions. # Depend on lsb-base (>= 3.2-14) to ensure that this file is present # and status_of_proc is working. . /lib/lsb/init-functions # # Function that starts the daemon/service # do_start() { # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started if [ "x$START_DUMP1090" != "xyes" ]; then log_warning_msg "Not starting $NAME daemon, disabled via /etc/default/$NAME" return 2 fi start-stop-daemon --start --quiet --pidfile $PIDFILE --user "$DUMP1090_USER" --exec $DAEMON --test > /dev/null \ || return 1 # create JSON_DIR with the appropriate permissions # (it is on /run by default, so will be lost on reboot) if [ "x$JSON_DIR" != "x" ]; then if [ ! -e $JSON_DIR ]; then (mkdir $JSON_DIR && chmod 0755 $JSON_DIR && chown $DUMP1090_USER $JSON_DIR) || log_warning_msg "Failed to create $JSON_DIR" fi fi # create logfile with the appropriate permissions if not already there # (the cronjob running as DUMP1090_USER wants to append to it) touch $LOGFILE chown "$DUMP1090_USER":root $LOGFILE start-stop-daemon --start $NICELEVEL --quiet --pidfile $PIDFILE --user "$DUMP1090_USER" --chuid "$DUMP1090_USER" --make-pidfile --background --no-close --exec $DAEMON -- \ $ARGS >>$LOGFILE 2>&1 \ || return 2 sleep 1 } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred start-stop-daemon --stop --retry=TERM/30/KILL/5 --pidfile $PIDFILE --user "$DUMP1090_USER" --exec $DAEMON RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 sleep 1 # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE return "$RETVAL" } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; status) status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? ;; restart|force-reload) log_daemon_msg "Restarting $DESC" "$NAME" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; *) echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2 exit 3 ;; esac :